O carrapato Boophilus microplus é um dos mais importantes ectoparasitas dos rebanhos bovinos, estando em todas as áreas tropicais e subtropicais entre. RESUMO: O objetivo desta pesquisa foi avaliar o efeito in vivo do óleo de citronela, no controle do carrapato bovino [Rhipicephalus(Boophilus) microplus], . 2 jun. discorrer sobre o impacto econômico das parasitoses de bovinos é, dados e informações encontradas em estudos de circulação restrita à.

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ectoparasitas em bovinos pdf

Within 28 days, amitraz and the phytotherapic agent had to be reapplied to control tick infestation. Comparative performance of six Holstein-Friesian x Guzera grades in Brazil. Response of cattle to allergens from Boophilus microplus. Muscidae infestation on Nelore cattle in the Pantanal, Brasil.

II ; Beck, R. Embrapa Gado de Corte, Sazonalidade de Haematobia irritans no Brasil Central. Outros mecanismos como anastomoses arteriovenosas na pele dos animais Schleger et al. Fifteen Holstein cows were allocated to three boovinos of five animals each.

Differences among genetic groups depended on year-season counting; however, in general, Nellore females were the least infected by ticks, and Angus x Nellore females were the most infected by horn flies and by beef-worms.


Effect of ectpoarasitas oils in protecting stored Vigna unguiculata L. I ; Leal, M.

Natural infestation by external parasites in beef cattle females in southern Brazil

Observa-se que no grupo controle positivo, com amitraz, a necessidade de novo controle do carrapato foi de 28 dias. Os animais eram submetidos diariamente a duas ordenhas. Journal ectparasitas Economic Entomologyv. Genetic Resources and Crop Evolutionv.

Genetic and environmental aspects of the resistance of Zebu cattle to the tick Boophilus microplus. Rendle] no controle de ectoparasitas de bovinos. How to cite this article.

The effect of cattle tick Boophilus microplus on production of Brahman-cross and British-breed cattle in northern Australia.

There was a physiological stage effect of the female in all the three studied characteristics and the differences changed accordingly to the trait. I ; Bem, C. eectoparasitas

Impacto econômico das parasitoses de bovinos

A comparative study of lesions caused by different parasitic stages of Boophilus microplus Canestrini in the skins of naturally infested taurine and zebuine hosts. Journal of Stored Products Researchv. The efficacy of tick control was, on average, Lower control of flies was observed for the phytotherapic group.

ABSTRACT This study aimed to evaluate the in vivo effect of citronella oil on the control of bovine ticks [ Rhipicephalus Boophilus microplus ], horn flies Haematobia irritansstable flies Stomoxys calcitrans and houseflies Musca domestica.


International Journal Parasitologyv,29, p. Acaricidal activity of volatile oil from lemon and citronella grasses on tropical cattle ticks. Despite of the counting year-season x genetic group, there are differences among Nellore, Canchim x Nelore, Angus x Nellore and Simmental x Nelore genetic groups regarded to the degree of natural infestation by cattle tick, horn fly and beef-worm.

It was realized from 6 to 10 countings in each animal, totalizing 5, observations in females at seven physiological stages calf; empty heifers, pregnant heifers, primiparous cows with or without calf; and pluriparous cows, with or without calf.

Institute Journal Parasitologyv. Brahman breeding as a factor affecting the attractiveness or repellency of cattle to the horn fly. As contagens de moscas, feitas no intervalo de sete dias, encontra respaldo na pesquisa conduzida por Bianchin et al.

Australian Veterinary Journalv.